2021 CITROEN C3 AIRCROSS ESP

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2Remote control
General points
The key allows the central locking or unlocking of
the vehicle using the door lock.
It also allows you to start or stop the engine.


The remote control can be used for the following
functions, depending on version:
– unlocking / locking / deadlocking the vehicle,– locking/unlocking the boot,– locking/unlocking the fuel filler flap– remote switching on of the lighting,– folding/unfolding the door mirrors– activating / deactivating the alarm,– locating the vehicle,– vehicle immobiliser.Under normal conditions, it is recommended to
use the remote control.


The key, integral with the remote control, can be
used for the following functions, depending on
version:
– unlocking / locking / deadlocking the vehicle,– turning the mechanical child lock on or off,– activating / deactivating the passenger front airbag,– back-up door locking,– switching on the ignition and starting / switching off the engine.
Back-up procedures allow the vehicle to be
locked or unlocked in the event of a failure of the
remote control, the central locking, the battery,
etc.
For more information on the Back-up
procedures, refer to the corresponding section.
Ejecting the key

Version without Keyless Entry and Starting► Press this button; the key is ejected from its housing.
To avoid damaging the mechanism, first press
this button to fold it.


Version with Keyless Entry and Starting► Pull on this button to remove the key from the housing.
To return it to the housing, first pull on this
button.

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Unlocking the vehicle

► With the electronic key on your person and in the recognition zone A, pass your hand behind
the door handle of one of the front doors to
unlock the vehicle or press the tailgate opening
control.
Flashing of the direction indicators for a
few seconds signals:
– the unlocking of the vehicle for versions without alarm,– the deactivation of the alarm for other versions.
For safety and theft protection reasons,
do not leave your electronic key in the
vehicle, even when you are close to it.
It is recommended that you keep it with you.
Unlocking the vehicle
► Press this button to unlock the vehicle.
When the unlocking button is pressed, the
flashing of the direction indicators for a few
seconds signals:
– the unlocking of the vehicle for versions without alarm,– the deactivation of the alarm for other versions.
Locking the vehicle
Normal locking
► Press this button.
On the first press of the locking button,
illumination of the direction indicators for a few
seconds indicates:
– the locking of the vehicle for versions without alarm,– the activation of the alarm for other versions.
If one of the doors or the boot is not fully
closed, the locking does not take place.
However, if your vehicle has an alarm, this will
be totally activated after about 45 seconds.
If the vehicle is unlocked inadvertently and
if no action is taken with the doors or with
the boot, the vehicle will automatically lock
itself again after about 30 seconds. If the
alarm had been previously activated, it will be
reactivated automatically.
The locking function also deactivates
the interior central locking button on the
dashboard.
Deadlocking
► Press this button once to lock the vehicle.► Within five seconds, press this button again to deadlock the vehicle.
For versions without alarm, deadlocking is
confirmed by illumination of the direction
indicators for a few seconds on the second press
of the locking button.
Deadlocking renders the interior door
controls inoperative.
It also deactivates the central locking button
on the dashboard.
Never leave anyone inside the vehicle when it
is deadlocked.
Locating your vehicle
This function allows you to identify your vehicle
from a distance, particularly in poor light.
► Press this button.
The sidelamps and the dipped headlamps come
on for 30 seconds.
Pressing again before the end of the timed
period switches off the lighting immediately.
Keyless Entry and
Starting


System that allows the unlocking, locking
and starting of the vehicle, while keeping the
electronic key on your person.
The electronic key can also be used as a remote control.
For more information on the Remote Control,
refer to the corresponding section.

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2Unlocking the vehicle

► With the electronic key on your person and in the recognition zone A, pass your hand behind
the door handle of one of the front doors to
unlock the vehicle or press the tailgate opening
control.
Flashing of the direction indicators for a
few seconds signals:
– the unlocking of the vehicle for versions without alarm,– the deactivation of the alarm for other versions.
For safety and theft protection reasons,
do not leave your electronic key in the
vehicle, even when you are close to it.
It is recommended that you keep it with you.
Accumulations (water, dust, grime, salt etc.) on the inner surface of the door
handle may affect detection.
If cleaning the inner surface of the door
handle using a cloth does not restore
detection, contact a CITROËN dealer or a
qualified workshop.
A sudden splash of water (stream of water,
high pressure jet washer, etc.) may be
identified by the system as the desire to open
the vehicle.
If one of the doors or the boot is still open
or if the electronic key for the Keyless
Entry and Starting system has been left inside the vehicle, central locking will be disabled.
However, if the vehicle is fitted with an alarm,
it will be activated after 45 seconds.
If the vehicle is unlocked but the doors or boot are not subsequently opened, the vehicle will automatically lock itself again after about 30 seconds. If the vehicle is fitted with
an alarm, it will also be reactivated
automatically.
As a safety measure, never leave the vehicle, even for a short time, without
taking the Keyless Entry and Starting
system’s electronic key with you.
Be aware of the risk of theft of the vehicle if
the key is present in one of the defined areas
while the vehicle is unlocked.
To preserve the battery charge in the electronic key and the vehicle's battery,
the "hands-free" functions are set to
hibernation mode after 21 days without use.
To restore these functions, press one of the
remote control buttons or start the engine with
the electronic key in the reader.
For more information on starting with the
Keyless Entry and Starting system, refer to
the corresponding section.
Electrical interference
The electronic key may not operate if
close to certain electronic devices: telephone
(switched on or on standby), laptop computer,
strong magnetic fields, etc.
Locking the vehicle
Normal locking

► With the electronic key in the recognition zone A, press with a finger or thumb on one of

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Access
document and, if possible, the label bearing the key code.
The CITROËN dealer will be able to retrieve the
key code and the transponder code required to
order a new key.
Complete unlocking /
locking of the vehicle with
the key
These procedures should be used in the
following cases:
– remote control battery flat,– remote control fault,– vehicle in an area subject to strong electromagnetic interference.
In the first case, you can also replace the remote
control battery.
Refer to the corresponding section.
In the second case, you can also reinitialise the
remote control.
Refer to the corresponding section.


► Insert the key in the door lock barrel.► Turn the key towards the front of the vehicle to unlock it, or towards the rear to lock it.
the front door handles (at the markings) to lock
the vehicle.
It is not possible to lock the vehicle if one of the
keys is left inside the vehicle.
The flashing of the direction indicators for
a few seconds signals:
– unlocking of the vehicle for versions without alarm;– deactivation of the alarm for other versions.
Deadlocking
Deadlocking renders the interior door
controls inoperative. It also deactivates
the central locking button.
The horn remains operational.
Never leave anyone inside the vehicle when it
is deadlocked.


► With the electronic key in recognition zone A, press your finger or thumb on the handle of
one of the front doors (at the markings) to lock
the vehicle.
► Within five seconds, press the front door handle again to deadlock the vehicle.
Advice
Remote control
The remote control is a sensitive, high-
frequency device; avoid handling it in your
pocket, due to the risk of unintentionally
unlocking the vehicle.
Avoid pressing the remote control buttons
while out of range of the vehicle, due to
the risk of rendering the remote control
inoperative. It would then be necessary to
reset it.
The remote control does not work when the key is in the ignition switch, even when the
ignition is switched off.
Anti-theft protection
Do not modify the electronic vehicle
immobiliser, as this might result in
malfunctions.
For vehicles with a key ignition switch,
remember to remove the key and turn the
steering wheel to engage the steering lock.
Locking the vehicle
Driving with the doors locked could make
it more difficult for the emergency services to
enter the vehicle in an emergency.
As a safety precaution, remove the key from
the ignition or take the electronic key with you
when leaving the vehicle, even for a short
time.
Purchasing a second-hand vehicle
Have the key codes memorised by a
CITROËN dealer, to ensure that the keys in
your possession are the only ones able to
start the vehicle.
In order to preserve the battery in the
electronic key and the vehicle's battery:
– All of the "hands-free" functions go into extended standby after 21 days of non-use.
To restore these functions, unlock the vehicle
using the remote control and start the engine.
Electrical interference
The electronic key may not operate if
close to certain electronic devices: telephone
(switched on or on standby), laptop computer,
strong magnetic fields, etc.
Do not throw remote control batteries away, as they contain metals that are
harmful to the environment. Take them to an
approved disposal point.
Emergency procedures
Lost keys, remote control,
electronic key
Visit a CITROËN dealer with the vehicle's
registration certificate, a personal identification

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2document and, if possible, the label bearing the
key code.
The CITROËN dealer will be able to retrieve the
key code and the transponder code required to
order a new key.
Complete unlocking /
locking of the vehicle with
the key
These procedures should be used in the
following cases:
– remote control battery flat,– remote control fault,– vehicle in an area subject to strong electromagnetic interference.
In the first case, you can also replace the remote
control battery.
Refer to the corresponding section.
In the second case, you can also reinitialise the
remote control.
Refer to the corresponding section.


► Insert the key in the door lock barrel.► Turn the key towards the front of the vehicle to unlock it, or towards the rear to lock it.
► Turn the key rearwards again within 5 seconds to deadlock the vehicle.
For versions without alarm, the lighting of the
direction indicators for a few seconds confirms
that the procedure has completed correctly.
If the alarm is activated, the siren sounds
on opening the door; switch on the
ignition to stop it.
If your vehicle is fitted with an alarm, this
function will not be activated when
locking with the key.
Without central locking
These procedures should be used in the
following cases:
– central locking fault,– battery disconnected or discharged.
In the event of a fault with the central
locking system, it is essential to
disconnect the battery to lock the boot and so
ensure complete locking of the vehicle.
Driver's door
► Turn the key towards the rear of the vehicle to lock it, or towards the front to unlock it.
Passenger doors
Unlocking a door► Pull the interior opening control for the door .
Locking► Open the doors.► For the rear doors, check that the child lock is not on.
Refer to the corresponding section.


► Remove the black cap on the edge of the door, using the key.► Without forcing, insert the key into the aperture; then, without turning it, move the latch
sideways towards the inside of the door.
► Remove the key and refit the black cap.► Close the doors and check from the outside that the vehicle is locked.
Changing the battery
A message is displayed on the instrument panel
when the battery needs changing.

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► Switch on the ignition by pressing the "START/STOP" button.► With a manual gearbox, place the gear lever
in neutral then fully depress the clutch pedal.
► With an automatic gearbox, while in mode
P, depress the brake pedal.
If the fault persists after reinitialisation, contact a
CITROËN dealer or a qualified workshop without
delay.
Doors
Opening
From outside
► After unlocking the vehicle or with the Keyless Entry and Starting electronic key in the
recognition zone, pull the door handle.
From inside
► Pull the interior opening control of a door; this unlocks the vehicle completely.
Without Keyless Entry and Starting ‒ Battery type: CR2032 / 3 volts.

With Keyless Entry and Starting ‒ Battery type: CR2032 / 3 volts.

► Unclip the cover by inserting a small screwdriver in the slot and raise the cover.► Remove the discharged battery from its housing.
► Insert the new battery , observing the polarity, and clip the cover onto the housing.► Reinitialise the remote control.For more information on Reinitialising the
remote control, refer to the corresponding
section.
Reinitialising the remote
control
Following replacement of the battery or in
the event of a fault, it may be necessary to
reinitialise the remote control.
Without Keyless Entry and Starting

► Switch off the ignition.► Turn the key to position 2 (Ignition on) .► Immediately press the closed padlock button for a few seconds.
► Switch off the ignition and remove the key from the ignition switch. The remote control is now fully operational
again.
With Keyless Entry and Starting

► Insert the mechanical key (incorporated into the remote control) into the lock to open the
vehicle.


► Place the electronic key against the back-up reader on the steering column and hold it there
until the ignition is switched on.

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Electric windows
1.Left-hand front
2. Right-hand front
3. Right-hand rear (depending on version)
4. Left-hand rear (depending on version)
5. Deactivation of the electric window controls
located by the rear seats (depending on
version)
Manual operation
To open or close the window, press or pull the
switch, without going past the point of resistance.
The window stops as soon as the switch is
released.
Automatic operation of the
front electric windows
To open or close the window, press or pull the
switch fully, beyond the resistance point: the
window opens or closes completely when the
switch is released. Pressing the switch again
stops the movement of the window.
The electric window switches remain
operational for approximately one minute
after the key has been removed.
Once this time has elapsed, the electric
windows will not operate. To reactivate them,
switch the ignition on again.
Anti-pinch function of the front electric windows
When the window rises and meets an obstacle, it
stops and immediately partially lowers again.
In the event of unwanted opening of the window
when closing automatically, press the switch
until the window opens completely, then pull
the switch immediately until the window closes.
Continue to hold the switch for approximately
one second after the window has closed.
The safety anti-pinch function is not active during
this operation.
Deactivating the rear
window controls (depending
on version)


For the safety of your children, press switch 5
to prevent operation of the windows of the rear
doors, irrespective of their position.
When the indicator is on, the rear controls are
inhibited. When the indicator is off, the rear
controls are active.
Reinitialising the electric
windows
After reconnecting the battery, or in the event
of abnormal window movement, the anti-pinch
function must be reinitialised.
The anti-pinch function is disabled during the
following sequence of operations.
For each window:
► Lower the window fully , then raise it; it will rise in steps of a few centimetres each time the
control is pressed. Repeat the operation until the
window is fully closed.
► Continue to pull the control upwards for at least one second after the window reaches the
closed position.

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Ease of use and comfort
3

The rear head restraints can be removed.
To remove a head restraint:
► release the backrest using the control 1,► tilt the backrest slightly forwards,► pull the head restraint as far up as it will go,► press the lug A to release the head restraint
and remove it completely,
► stow the head restraint.To refit a head restraint:► insert the head restraint rods into the guides in the corresponding seat backrest,► push the head restraint down as far as it will go,► press the lug A to free the head restraint and
push it down.
Never drive with passengers seated at
the rear when the head restraints are
removed; they must be in place and in the
high position.
The head restraint for the centre seat and
those for outer seats are not interchangeable.
Longitudinal seat
adjustment (depending on
version)
Folding or unfolding the seats must only
be done with the vehicle stationary.
Each 2/3 - 1/3 part can be adjusted individually.


► Raise the control and slide the bench seat forwards or backwards.
Adjusting the backrest angle (depending on
version)
Several adjustment positions are possible.

► Move the seat forward.► Pull the strap forward, then tilt the backrest to the desired position.
Sit in the seat to perform the
adjustments.
Folding the backrests
Manoeuvring the seat backrests must
only be done with the vehicle stationary.
First steps: